I've acquired this second hand - Series I, long scale, 4 string with Zebrawood top, mahogany body.

Congrats!

Hi Jim,
 
Here's the details, though there isn't much more than you already know (the old records are fairly scant)
 
AE76-079 LSB
 
top and back: Zebrawood
body: Birch
through body neck: Maple and Walnut, 34 long scale
fingerboard: Ebony with mother of pearl inlays
peghead veneers: Zebrawood and Vermilion
birthday: April 20, 1976
originally made for: Romco